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zkey: Add function to obtain the mkvp of a secure key

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A secure AES key token contains the master key verification pattern
of the master key it is encrypted with. Add a function to obtain the
master key verification pattern of a secure key token.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Ingo Franzki
2019-06-14 09:48:45 +02:00
committed by Jan Höppner
parent b32c031474
commit ea7cc9ea60
2 changed files with 25 additions and 0 deletions
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zkey/pkey.h
+4
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@@ -112,4 +112,8 @@ int validate_secure_key(int pkey_fd,
int generate_key_verification_pattern(const char *key, size_t key_size,
char *vp, size_t vp_len, bool verbose);
int get_master_key_verification_pattern(const u8 *secure_key,
size_t secure_key_size, u64 *mkvp,
bool verbose);
#endif